KR970072632A - Method and apparatus for direct torque control of three-phase machinery - Google Patents

Method and apparatus for direct torque control of three-phase machinery Download PDF

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Publication number
KR970072632A
KR970072632A KR1019970011556A KR19970011556A KR970072632A KR 970072632 A KR970072632 A KR 970072632A KR 1019970011556 A KR1019970011556 A KR 1019970011556A KR 19970011556 A KR19970011556 A KR 19970011556A KR 970072632 A KR970072632 A KR 970072632A
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value
flux
component
filter
converter
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KR1019970011556A
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Korean (ko)
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KR100448308B1 (en
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파지 포야라이넨
크리스티안 슈툴쯔
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바이벨 베아트
아세아 브라운 보베리 악티엔게젤샤프트
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/12—Arrangements for reducing harmonics from ac input or output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H02P21/24—Vector control not involving the use of rotor position or rotor speed sensors
    • H02P21/28—Stator flux based control
    • H02P21/30—Direct torque control [DTC] or field acceleration method [FAM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/30—Direct torque control [DTC] or field acceleration method [FAM]

Abstract

The method involves controlling a torque of a rotation field machine (1) which is supplied by a multiple phase converter (2) over a sinusoid filter. A current flow through the filter and/or a filter output voltage is measured, and the nominal current flow and the nominal torque value are corrected according to the measured voltage and/or current. The correction includes a transformation of the filter output voltage in a first component, vertical to a stator flow, and a second component, parallel to the stator flow, as well as a decrease of the nominal torque- and current flow values, proportionally to the oscillating part of the filter output voltage.

Description

3상 기계장치의 직접 토오크 제어를 위한 방법 및 장치Method and apparatus for direct torque control of three-phase machinery

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제3도는 제1실시예에 기초한 본 발명에 의한 장치의 블록도.3 is a block diagram of an apparatus according to the present invention based on the first embodiment.

Claims (10)

(a) 3상 기계장치의 고정자의 구리 저항 양단의 전압 강하에 본질적으로 대응하는 보정 변수와 컨버터 출력 전압으로부터 실제 자속값을 산출하는 단계, (b) 실제 자속값과 컨버터에 의해 방출된 전류로부터 실제 토오크값을 산출하는 단계, (c)기준 토오크값또는 기준 자속값을 사용하여 히스리시스 제어기 (4)에 의해 실제 자속값과 실제 토오크값의 크기를 비교하는 단계, (d) 히스테리시스 제어기(4)와 실제 자속값의 크기에 의해 제어된 컨버터를 위한 최적 제어 벡터((SA, SB, SC)를 형성하는 단계를 구비하는, 사이에 접속된 조파 필터(Lfil, Cfil)를 통해 다상 컨버터(2)로부터 공급된 3상 기계(1)의 직접 토오크 제어 방법으로서, (e) 필터를 통해 흐르는 전류및/ 또는 필터 출력 전압을 측정하는 단계, (f) 히스테리시스 제어기(4)에 공급되기 전에 기준 자속값과 기순 토오크값이 필터를 통해 흐르는 전류및/ 또는 필터 출력 전압에 기초하여 보정되는 단계를 구비하는 것을 특징으로 하는 직접 토오크 제어 방법.(a) Compensation parameters and converter output voltages essentially corresponding to the voltage drop across the copper resistance of the stator of a three-phase machine. Actual magnetic flux from Calculating (b) the actual magnetic flux value Current Discharged by and Converter Torque value from Calculating the step (c) reference torque value Or reference flux Actual magnetic flux value by hysteresis controller (4) using And actual torque value (D) hysteresis controller 4 and actual magnetic flux value Control vector for the converter controlled by the magnitude of A direct torque control method of a three-phase machine (1) supplied from a polyphase converter (2) via a wave filter (Lfil, Cfil) connected therebetween, having a step of forming (SA, SB, SC), ( e) current flowing through the filter And / or filter output voltage (F) the reference flux value before being supplied to the hysteresis controller 4 And net torque value Current flowing through this filter And / or filter output voltage And correcting based on the direct torque control method. 제1항에 있어서, 상기 기준 자속값과 기준 토오크값은 (a) 고정자 자속이 조파 필터의 인덕턴스를 갖는 컨버터에 의해 방출된 전류의 곱과 실제 자속값사이의 차로부터 형성되고, (b) 고정자 자속은 필터 출력 전압을 고정자 자속에 평행한 구성요소와 고정자 자속에 직각인 구성요소로 변환하는데 사용되고, (c) 기준 자속값이 구성요소에 비례하는 양에 의해 감소되고, 기준 토오크값이 구성요소의 진동 소자에 비례하여 감소하는 것을 특징으로 하는 직접 토오크 제어 방법.The method of claim 1, wherein the reference magnetic flux value And reference torque value (A) stator flux Inductance of this harmonic filter Current emitted by a converter with The product of and the actual magnetic flux Formed from the difference between (b) the stator flux Silver filter output voltage Parallel to the stator flux Component perpendicular to the stator flux (C) the reference flux value This component Reduced by an amount proportional to the reference torque value This component Vibration element A direct torque control method characterized in that the decrease in proportion to. 제2항에 있어서, 구성요소의 진동 소자는 , 구성요소와 고정자 자속과 고정자 자속의 각 주파수의 곱사이의 차로부터 생성되는 것을 특징으로 하는 직접 토오크 제어 방법.The component of claim 2, wherein the component Vibrating element of a And stator flux And stator flux Each frequency of Multiply by Direct torque control method, characterized in that it is generated from the difference between. 제2항에 있어서, 구성요소의 진동 소자는 구성요소의 고역 필터링에 의해 생성되는 것을 특징으로 하는 직접 토오크 제어 방법.The component of claim 2, wherein the component Vibration element Is a component Direct torque control method, characterized in that it is generated by the high-pass filtering of. 제4항에 있어서, 구성요소가 또한 고역 필터링 되는 것을 특징으로 하는 직접 토오크 제어 방법.The component of claim 4, wherein the component Direct torque control method, characterized in that the high-pass filtering. 제3항 내지 제5항중 어느 한 항에 있어서, (a)필터를 통해 흐르는 전류가 측정되고, (b) 필터 출력 전압이 전류의 적분에 의해 생성되는 것을 특징으로 하는 직접 토오크 제어 방법.The current according to any one of claims 3 to 5, wherein (a) a current flows through the filter. (B) filter output voltage This current Direct torque control method, characterized in that generated by the integration of. 제2항 내지 제6항중 어느 한 항에 있어서, 필터 출력 전압이 고정자 자속에 평행한 구성요소로 변환되고, 고정자 자속에 직각인 구성요소가와 고정자 자속의 스칼라곱과 벡터곱을 형성하므로써 변환되는 것을 특징으로 하는 직접 토오크 제어 방법.The filter output voltage according to claim 2. Components parallel to this stator flux Is converted to the stator flux Component perpendicular to end And stator flux A direct torque control method, which is converted by forming a scalar product and a vector product of. (a) 토오크 제어기로서, 3상 기계장치의 고정자의 구리 저항 양단의 전압 강하에 본질적으로 대응하는 보정 변수와 컨버터 출력 전압으로부터 실제 자속값을 산출하고, 실제 자속값과 컨버터에 의해 방출된 전류로부터 실제 토오크 값을 산출하고, 소정의 기준 토오크값및 기순 자속값을 각각 사용하여 히스테리시스 제어기 (4)에 의해 실제 자속값과 실제 토오크값의 크기를 비교하고, 히스테리시스 제어기(4)와 실제 자속값의 크기에 의해 제어된 컨버터(2)를 위한 최적 제어 벡터(SA, SB, SC)를 형성하는 토오크 제어기 (2)를 구비하는 , 사이에 접속된 조파 필터(Lfil, Cfil)를 통해 다상 컨버터(2)로부터 공급된 3상 기계(1)의 직접 토오크 제어를 위한 장치로서, (b) 필터를 통해 흐르는 전류(ifil) 및/ 또는 필터 출력 전압을 측정하는 전류 및 전압 측정기, (c) 히스테리시스 제어기에 공급되기 전에, 필터를 통해 흐르는 전류 (ifil) 및 / 또는 필터 출력 전압에 기초하여 기준 자속값과 기준 토오크값(Tref)을 보정하는 수단을 구비하는 것을 특징으로 하는 직접 토오크 제어 장치.(a) Torque controller, a correction variable and converter output voltage essentially corresponding to the voltage drop across the copper resistance of the stator of a three-phase machine. Actual magnetic flux from , The actual magnetic flux value Current Discharged by and Converter Torque value from Is calculated, and the predetermined reference torque value And net magnetic flux value The actual flux value by the hysteresis controller 4 using And actual torque value Compare the magnitudes of the Control vector for the converter 2 controlled by the magnitude of Direct torque control of the three-phase machine 1 supplied from the polyphase converter 2 via a harmonic filter Lfil, Cfil connected therebetween, having a torque controller 2 forming SA, SB, SC. Apparatus for (b) current (ifil) flowing through a filter and / or filter output voltage A current and voltage meter measuring (i) the current flowing through the filter (ifil) and / or the filter output voltage before being fed to the hysteresis controller Reference flux value based on And a means for correcting the reference torque value (Tref). 제8항에 있어서, 상기 제2수단은, (a) 조파 필터의 인덕턴스(Lfil)를갖는 컨버터에 의해 방출된 전류의 곱을 형성하는 제1승산기(5), (b) 조파 필터의 인덕턴스(Lfil)를 갖는 컨버터에 의해 방출된 전류의 곱과 실제 자속값사이의 차로부터 고정자 자속을 산출하는 제1감산기(7), (c) 필터 출력 전압을 고정자 자속에 평행인 구성요소(Ufild)와 고정자 자속에 직각인 구성요소(Ufilq)로 변환하기 위하여 고정자 자속을 사용하는 좌표 변환기(9, 10) , 및 (d) 구성요소(Ufild)에 비례하는 양만큼 기준 자속값을 감소하고 구성요소(Ufilq)의 진동소자에 비례하여 기준 토오크값(Tref)을 감소하는 기준값 제서기를 구비하는 것을 특징으로 하는 장치.9. The method of claim 8, wherein the second means comprises: (a) a current emitted by a converter having an inductance Lfil of the harmonic filter. Currents emitted by the converter with inductance Lfil of the first multiplier 5, (b) a harmonic filter forming a product of The product of and the actual magnetic flux Stator flux from the difference between First subtractor (7) and (c) filter output voltage Stator flux in order to convert the components into components parallel to the stator flux (Ufild) and components perpendicular to the stator flux (Ufilq). The reference flux value by an amount proportional to the coordinate converter (9, 10), and (d) component Ufild using To reduce the vibration and reduce the vibration And a reference value suppressor for decreasing the reference torque value (Tref) in proportion to. 제9항에 있어서, 구성요소(Ufild)와 구성요소(Ufilq)를 위하여, 기준값 제어기는 각각의 경우에 구성요소를 각각 제1상수(K1) 또는 제2상수(K2)로 각각 승산하는 승산기(5)와, 각각의 경우에 승산기의 하류에 접속된 리미터 (6) 와, 각각의 경우에 리미터(6)의 하류에 접속된 감산기(7)로서, 감산기는 기준 자속값에 따라 구성요소(Ufild)를 할당하고 기준 토오크값(Tref)에 따른 구성요소(Ufilq)를 할당하는 감산기를 구비하는 것을 특징으로 하는 장치.10. The multiplier according to claim 9, wherein for components Ufild and Ufilq, the reference value controller in each case multiplies the components by the first constant K1 or the second constant K2, respectively. 5), and in each case a limiter 6 connected downstream of the multiplier, and in each case a subtractor 7 connected downstream of the limiter 6, the subtractor being a reference magnetic flux value. And a subtractor for allocating a component (Ufild) and assigning the component (Ufilq) according to the reference torque value (Tref). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019970011556A 1996-04-01 1997-03-31 Method and apparatus for direct torque control of a three-phase machine KR100448308B1 (en)

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DE19612920A DE19612920A1 (en) 1996-04-01 1996-04-01 Method and device for direct torque control of an induction machine
DE19612920.6 1996-04-01

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KR100448308B1 KR100448308B1 (en) 2004-11-16

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EP0800265A3 (en) 1998-12-02
CN1066299C (en) 2001-05-23
CA2199080A1 (en) 1997-10-01
ES2216122T3 (en) 2004-10-16
CA2199080C (en) 2002-11-05
ATE259554T1 (en) 2004-02-15
JPH1014284A (en) 1998-01-16
EP0800265B1 (en) 2004-02-11
DE19612920A1 (en) 1997-10-02
DE59711284D1 (en) 2004-03-18
CN1171652A (en) 1998-01-28
KR100448308B1 (en) 2004-11-16
JP3995755B2 (en) 2007-10-24
EP0800265A2 (en) 1997-10-08
BR9701584A (en) 1998-06-23
BR9701584B1 (en) 2010-08-10
US5734249A (en) 1998-03-31

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